Finding the Fourth Proportional to 42.50, 63.32 and 41.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42.50 : 63.32 = 41.31 : x
2. Step 2: Convert to fraction form
   42.50/63.32 = 41.31/x
3. Step 3: Cross multiply
   42.50x = 63.32 × 41.31
4. Step 4: Simplify right side
   42.50x = 2,615.54
5. Step 5: Solve for x
   x = 2,615.54/42.50
6. Step 6: Final answer
   x = 61.54